diff options
Diffstat (limited to 'vm_insnhelper.c')
| -rw-r--r-- | vm_insnhelper.c | 85 |
1 files changed, 83 insertions, 2 deletions
diff --git a/vm_insnhelper.c b/vm_insnhelper.c index 264dedecb5..d66f1e833a 100644 --- a/vm_insnhelper.c +++ b/vm_insnhelper.c @@ -3462,10 +3462,10 @@ vm_call_cfunc_with_frame(rb_execution_context_t *ec, rb_control_frame_t *reg_cfp } static VALUE -vm_call_cfunc(rb_execution_context_t *ec, rb_control_frame_t *reg_cfp, struct rb_calling_info *calling) +vm_call_cfunc_other(rb_execution_context_t *ec, rb_control_frame_t *reg_cfp, struct rb_calling_info *calling) { const struct rb_callinfo *ci = calling->ci; - RB_DEBUG_COUNTER_INC(ccf_cfunc); + RB_DEBUG_COUNTER_INC(ccf_cfunc_other); CALLER_SETUP_ARG(reg_cfp, calling, ci, ALLOW_HEAP_ARGV_KEEP_KWSPLAT); VALUE argv_ary; @@ -3488,6 +3488,87 @@ vm_call_cfunc(rb_execution_context_t *ec, rb_control_frame_t *reg_cfp, struct rb } } +static inline VALUE +vm_call_cfunc_array_argv(rb_execution_context_t *ec, rb_control_frame_t *reg_cfp, struct rb_calling_info *calling, int stack_offset, int argc_offset) +{ + VALUE argv_ary = reg_cfp->sp[-1 - stack_offset]; + int argc = RARRAY_LENINT(argv_ary) - argc_offset; + + if (UNLIKELY(argc > VM_ARGC_STACK_MAX)) { + return vm_call_cfunc_other(ec, reg_cfp, calling); + } + + VALUE *argv = (VALUE *)RARRAY_CONST_PTR(argv_ary); + calling->kw_splat = 0; + int i; + VALUE *stack_bottom = reg_cfp->sp - 2 - stack_offset; + VALUE *sp = stack_bottom; + CHECK_VM_STACK_OVERFLOW(reg_cfp, argc); + for(i = 0; i < argc; i++) { + *++sp = argv[i]; + } + reg_cfp->sp = sp+1; + + return vm_call_cfunc_with_frame_(ec, reg_cfp, calling, argc, stack_bottom+1, stack_bottom); +} + +static inline VALUE +vm_call_cfunc_only_splat(rb_execution_context_t *ec, rb_control_frame_t *reg_cfp, struct rb_calling_info *calling) +{ + RB_DEBUG_COUNTER_INC(ccf_cfunc_only_splat); + VALUE argv_ary = reg_cfp->sp[-1]; + int argc = RARRAY_LENINT(argv_ary); + VALUE *argv = (VALUE *)RARRAY_CONST_PTR(argv_ary); + VALUE last_hash; + int argc_offset = 0; + + if (UNLIKELY(argc > 0 && + RB_TYPE_P((last_hash = argv[argc-1]), T_HASH) && + (((struct RHash *)last_hash)->basic.flags & RHASH_PASS_AS_KEYWORDS))) { + if (!RHASH_EMPTY_P(last_hash)) { + return vm_call_cfunc_other(ec, reg_cfp, calling); + } + argc_offset++; + } + return vm_call_cfunc_array_argv(ec, reg_cfp, calling, 0, argc_offset); +} + +static inline VALUE +vm_call_cfunc_only_splat_kw(rb_execution_context_t *ec, rb_control_frame_t *reg_cfp, struct rb_calling_info *calling) +{ + RB_DEBUG_COUNTER_INC(ccf_cfunc_only_splat_kw); + VALUE keyword_hash = reg_cfp->sp[-1]; + + if (RB_TYPE_P(keyword_hash, T_HASH) && RHASH_EMPTY_P(keyword_hash)) { + return vm_call_cfunc_array_argv(ec, reg_cfp, calling, 1, 0); + } + + return vm_call_cfunc_other(ec, reg_cfp, calling); +} + +static VALUE +vm_call_cfunc(rb_execution_context_t *ec, rb_control_frame_t *reg_cfp, struct rb_calling_info *calling) +{ + const struct rb_callinfo *ci = calling->ci; + RB_DEBUG_COUNTER_INC(ccf_cfunc); + + if (IS_ARGS_SPLAT(ci)) { + if (!IS_ARGS_KW_SPLAT(ci) && vm_ci_argc(ci) == 1) { + // f(*a) + CC_SET_FASTPATH(calling->cc, vm_call_cfunc_only_splat, TRUE); + return vm_call_cfunc_only_splat(ec, reg_cfp, calling); + } + if (IS_ARGS_KW_SPLAT(ci) && vm_ci_argc(ci) == 2) { + // f(*a, **kw) + CC_SET_FASTPATH(calling->cc, vm_call_cfunc_only_splat_kw, TRUE); + return vm_call_cfunc_only_splat_kw(ec, reg_cfp, calling); + } + } + + CC_SET_FASTPATH(calling->cc, vm_call_cfunc_other, TRUE); + return vm_call_cfunc_other(ec, reg_cfp, calling); +} + static VALUE vm_call_ivar(rb_execution_context_t *ec, rb_control_frame_t *cfp, struct rb_calling_info *calling) { |